Brendan J. Ring

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It was shown that 2,4,5,2',4',5'-hexachlorobiphenyl (6-CB) administered to adult female mice accumulated in their nursing offspring more rapidly than a dose administered to weanling mice when treated animals were bred at equivalent ages. This suggested that the PCB was eliminated from the maternal animal relative to its time of sequestration into storage(More)
Market coordination of transmission loading relief in an electric grid with multiple regions implies trading across boundaries. Starting with the early framework for transmission loading relief that relies primarily on administrative priorities, introduction of prices and explicit trading to redispatch across regions would provide market solutions for(More)
2,4,5,2',4',5'-Hexachlorobiphenyl (6-CB) is mobilized from rodent tissues during the lipid depletion associated with food restriction or lactation, the latter condition resulting in the substantial elimination of the maternal body burden of the chemical to nursing offspring. The present study was undertaken to determine whether the rate and/or magnitude of(More)
We have numerically modelled the thermal effects of yellow (577 or 578 nm) light illumination on the ectatic blood vessels of port wine stains. We investigated the effect of the laser treatment parameters of light irradiance and illumination time on the extent of coagulation (coagulation thickness) of the endothelial cells of the ectatic vessels. We assumed(More)
Thermal profiles of ectatic capillaries, modelled on those found in port wine stain birthmarks, are calculated by a method of finite differences. Yellow 578nm light is assumed to illuminate these vessels. The coagulation of endothelial cells is assumed to occur when the cells are heated to at least 70 degrees C. We model this by asking that a point 6(More)
A questionnaire was sent to 242 patients who had undergone treatment with yellow light (578 nm) from a copper vapour laser for a port wine stain (PWS), for facial telangiectasia (FT), or for a spider naevus (SN). The questionnaire covered the social implications of the lesion, the physical appearance of the lesion after treatment and the patient's judgement(More)
Epididymal adipocytes, isolated from rats pretreated with [14C]-2,4,5,2',4',5'-hexachlorobiphenyl (6-CB), were utilized to examine the relationship between the mobilization of lipid and 6-CB and to determine whether 6-CB was differentially associated with subcellular organelles over time as has been demonstrated for newly synthesized lipid. Lipolysis,(More)
Advance scheduling of electricity markets could create a conflict between reliability requirements and market operations. Unlike the case for the real-time market alone, an independent system operator charged with preserving system reliability may face a new computational challenge in balancing the requirements of markets and system security. A bid-based,(More)
The transplacental crossover of 14C-2,4,5,2',4',5'-hexachlorobiphenyl (6-CB) from the maternal circulation to the fetal side of the placenta was examined in intact fetuses and following the in situ perfusion of the guinea pig placenta. Fetal, late pregnant, and nonpregnant female guinea pig lipoprotein profiles and the association of 6-CB with these plasma(More)
The purpose of this paper is to discuss the role of regional trade– defined as trade between a buyer in one jurisdiction (or market, or control area) and a seller in another – in electricity, the costs and benefits of expanding regional trade, some of the obstacles to such expansion and what might be done to reduce these obstacles. Although the discussion(More)